1 2 3 4 5 6 7 1 2 3 A 3 B 3 C 3 D 3 E 3 F 3 G 3 H 3 I 3 J 4 5 6 7 1 2 3 4 5 6 1 A 1 B 1 C 1 D 2 3 4 5 A 5 B 5 C 5 D 5 E 5 F 1 2 3 4 5 6 7 8 9

ICSE - Concise Biology

7. The Circulatory System

2. Structure of Chromosomes, Cell Cycle and Cell Division
3. Genetics - Some Basic Fundamentals
4. Absorption by Roots - The Processes Involved
5. Transpiration
6. Photosynthesis - Provider of Food for All
7. The Circulatory System
8. The Excretory System
9. The Nervous System
10. Endocrine Glands - “The Produces of Chemical Messengers”
11. The Reproductive System
12. Population - The Increasing Numbers and Rising Problems
13. AIDS to Health
14. Health Organisations
15. Pollution - A Rising Environment Problem

Progress Check 7A Pg-78

Progress Check 7A Pg-81

1 A 1 B 1 C 1 D 2

Progress Check 7A Pg-83

1 2 A 2 B 2 C 2 D

Review Questions 7A

1 2 1 2 A 2 B 1 2 3 4 1 2 3 4 5 1

Progress Check 7B Pg-87

Progress Check 7B Pg-88

Progress Check 7B Pg-89

Progress Check 7B Pg-91

Progress Check 7B Pg-93

Review Questions 7B

1 2 3 4 5 6 7 1 2 3 A 3 B 3 C 3 D 3 E 3 F 3 G 3 H 3 I 3 J 4 5 6 7 1 2 3 4 5 6 1 A 1 B 1 C 1 D 2 3 4 5 A 5 B 5 C 5 D 5 E 5 F 1 2 3 4 5 6 7 8 9

Q. 55.0( 1 Vote )

Angina Pectoris i A. defective nutrition

B. inadequate supply of oxygen to the heart muscle

C. defective functioning of mitral valve

D. infection by a virus

Answer :

Angina pectoris is the chest pain due to insufficient supply of blood to the heart muscle.

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